Home / 8,066.14-11,125.59-7,405.18

Finding the Fourth Proportional to 8,066.14, 11,125.59 and 7,405.18

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Solution

The fourth proportional to 8,066.14, 11,125.59 and 7,405.18 is: 10,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.14 : 11,125.59 = 7,405.18 : x
  2. Step 2: Convert to fraction form
    8,066.14/11,125.59 = 7,405.18/x
  3. Step 3: Cross multiply
    8,066.14x = 11,125.59 × 7,405.18
  4. Step 4: Simplify right side
    8,066.14x = 82,386,996.56
  5. Step 5: Solve for x
    x = 82,386,996.56/8,066.14
  6. Step 6: Final answer
    x = 10,213.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.